中译英.我们的课室一天清洁一次.Our classroom -----------------------------.

小妹妹,给你一个参考意见吧,记得以后要自己做完啊.
我们的课室一天清洁一次.
Our classroom is cleaned once a day.
这些脏水不能喝
Dirty water _can’t be drunk.
这些机器必须马上修理.
These machines must be mended.
课堂上,经常使用录音机.
Recorders are usually used on class.
这些书能拿出图书馆吗?
Can these books _be taken out of the library.
去年,在这公园的前面,建了一栋新楼.
A new building was built before this park last year.
昨天浇花了吗?
Were the flowers watered yesterday?
现在办公室很干净,因为所有的旧报纸和书都卖掉了.
The office is clean now because all the old newspapers and books were sold
.
这场交通事故后, 一些人被送到医院,最后他们都得救了.
After the traffic accident, some people were taken to hospital.
At last they were all saved.
这个问题很快就调查清楚.
I am sure that this problem will be investigated soon.